Its a bank that can collect up to 4000000 gold and elixr, you can deposit and withdraw gold and elixr.At battle it only gives the attacker percentage and not gold or elixr.
At lvl1 it can hold 250.000 gold and elixt and costs 2Million gold to build but have to be TH8 to build.12h build time
At lvl2 it holds 500,000 gold and elixr and costs 3Million to upgrade to lvl2.
2d upgrade time.TH8 necessary
At lvl3 it holds 2.5Million gold and elixr and costs 4Million to upgrade to lvl3.
4d upgrade time.TH9 necessary
At lvl4 it holds 4Million gold and elixr
And costs 7.5Million to upgrade to lvl4
10d upgrade time.TH10 necessary
